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CCNA R&S Introduction to Networks Chapter 9 Exam v5 2016

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CCNA 1 Chapter 9 v5 Exam Answers

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Question 1 of 25

1. Question

1. Refer to the exhibit.

How many broadcast domains are there?

1

2

3

4

Correct

Incorrect

Question 2 of 25

2. Question

2. How many usable host addresses are there in the subnet 192.168.1.32/27?

32

30

64

16

62

Correct

Incorrect

Question 3 of 25

3. Question

3. How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?

510

512

1022

1024

2046

2048

Correct

Incorrect

Question 4 of 25

4. Question

4. A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.248. How many host addresses will this subnet provide?​

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6

8

10

12

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Incorrect

Question 5 of 25

5. Question

5.

Refer to the exhibit.

A company uses the address block of 128.107.0.0/16 for its network. What subnet mask would provide the maximum number of equal size subnets while providing enough host addresses for each subnet in the exhibit?

255.255.255.0

255.255.255.128

255.255.255.192

255.255.255.224

255.255.255.240

Correct

Incorrect

Question 6 of 25

6. Question

6 Refer to the exhibit.

The network administrator has assigned the LAN of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 prefix. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the properties of the workgroup server to allow connectivity to the Internet?

7. Question

7. How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?

two

three

four

five

Correct

Incorrect

Question 8 of 25

8. Question

8. A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.)

192.168.1.16/28

192.168.1.64/27

192.168.1.128/27

192.168.1.96/28

192.168.1.192/28

Correct

Incorrect

Question 9 of 25

9. Question

9. In a network that uses IPv4, what prefix would best fit a subnet containing 100 hosts?

/23

/24

/25

/26

Correct

Incorrect

Question 10 of 25

10. Question

10 Refer to the exhibit.

Given the network address of 192.168.5.0 and a subnet mask of 255.255.255.224, how many addresses are wasted in total by subnetting each network with a subnet mask of 255.255.255.224?

56

60

64

68

72

Correct

Incorrect

Question 11 of 25

11. Question

11. When developing an IP addressing scheme for an enterprise network, which devices are recommended to be grouped into their own subnet or logical addressing group?

end-user clients

workstation clients

mobile and laptop hosts

hosts accessible from the Internet

Correct

Incorrect

Question 12 of 25

12. Question

12. A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices?

random static addresses to improve security

addresses from different subnets for redundancy

predictable static IP addresses for easier identification

dynamic addresses to reduce the probability of duplicate addresses

Correct

Incorrect

Question 13 of 25

13. Question

13. Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)

It eliminates most address configuration errors.

It ensures that addresses are only applied to devices that require a permanent address.

It guarantees that every device that needs an address will get one.

It provides an address only to devices that are authorized to be connected to the network.

It reduces the burden on network support staff.

Correct

Incorrect

Question 14 of 25

14. Question

14 Refer to the exhibit.

A computer that is configured with the IPv6 address as shown in the exhibit is unable to access the internet. What is the problem?

The DNS address is wrong.

There should not be an alternative DNS address.

The gateway address is in the wrong subnet.

The settings were not validated.

Correct

Incorrect

Question 15 of 25

15. Question

15. When subnetting a /64 IPv6 network prefix, which is the preferred new prefix?

/66

/70

/72

/74

Correct

Incorrect

Question 16 of 25

16. Question

16. What is the subnet address for the address 2001:DB8:BC15:A:12AB::1/64?

2001:DB8:BC15::0

2001:DB8:BC15:A::0

2001:DB8:BC15:A:1::1

2001:DB8:BC15:A:12::0

Correct

Incorrect

Question 17 of 25

17. Question

17. Which two notations are useable nibble boundaries when subnetting in IPv6? (Choose two.)

/62

/64

/66

/68

/70

Correct

Incorrect

Question 18 of 25

18. Question

18. Fill in the blank.

In dotted decimal notation, the IP address (172.25.0.126) is the last host address for the network 172.25.0.64/26.